private void gridView1_RowUpdated(object sender, DevExpress.XtraGrid.Views.Base.RowObjectEventArgs e) { ColumnView view = gridControl1.FocusedView as ColumnView; if (view.UpdateCurrentRow()) { E10CTVBTTableAdapter1.Update(ewondataset1.E10CTVBT); txtTienhang.Text = gridView1.Columns["Tien_Nt"].SummaryItem.SummaryValue.ToString(); } }